3x-123=9x+57

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Solution for 3x-123=9x+57 equation:


Simplifying
3x + -123 = 9x + 57

Reorder the terms:
-123 + 3x = 9x + 57

Reorder the terms:
-123 + 3x = 57 + 9x

Solving
-123 + 3x = 57 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
-123 + 3x + -9x = 57 + 9x + -9x

Combine like terms: 3x + -9x = -6x
-123 + -6x = 57 + 9x + -9x

Combine like terms: 9x + -9x = 0
-123 + -6x = 57 + 0
-123 + -6x = 57

Add '123' to each side of the equation.
-123 + 123 + -6x = 57 + 123

Combine like terms: -123 + 123 = 0
0 + -6x = 57 + 123
-6x = 57 + 123

Combine like terms: 57 + 123 = 180
-6x = 180

Divide each side by '-6'.
x = -30

Simplifying
x = -30

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